Results 21 to 30 of about 82,178 (282)

Active self-assembly of piezoelectric biomolecular films via synergistic nanoconfinement and in-situ poling

open access: yesNature Communications, 2023
Piezoelectric biomaterials have attracted great attention owing to the recent recognition of the impact of piezoelectricity on biological systems and their potential applications in implantable sensors, actuators, and energy harvesters.
Zhuomin Zhang   +14 more
doaj   +1 more source

Composites, Fabrication and Application of Polyvinylidene Fluoride for Flexible Electromechanical Devices: A Review

open access: yesMicromachines, 2020
The technological development of piezoelectric materials is crucial for developing wearable and flexible electromechanical devices. There are many inorganic materials with piezoelectric effects, such as piezoelectric ceramics, aluminum nitride and zinc ...
Shuaibing Guo   +4 more
doaj   +1 more source

The effect and mechanism for doping concentration of Mg-Hf on the piezoelectric properties for AlN

open access: yesMaterials Research Express, 2023
The piezoelectric coefficient of intrinsic AlN is not meeting the demand from some high-performance applications in MEMS compared with the commercialized piezoelectric ceramics.
Qiaoya Lv   +4 more
doaj   +1 more source

Theoretical Model Construction of Piezoelectric Coefficient of PbTiO3 Nanoparticles

open access: yesChemical Engineering Transactions, 2017
This paper aims to explain the size dependence of piezoelectric coefficient d33(D) of PbTiO3 nanoparticles. For this purpose, a theoretical model was created for the size-dependent piezoelectric coefficient, considering the Curie temperature for small ...
Shuai Zhang, Lei Chen
doaj   +1 more source

Correlation between electric-field-induced phase transition and piezoelectricity in lead zirconate titanate films [PDF]

open access: yes, 2014
We observed that electric field induces phase transition from tetragonal to rhombohedral in polycrystalline morphotropic lead zirconate titanate (PZT) films, as reported in 2011 for bulk PZT.
Defay, E   +5 more
core   +3 more sources

Research on Effective Electric-Mechanical Coupling Coefficient of Sandwich Type Piezoelectric Ultrasonic Transducer Using Bending Vibration Mode

open access: yesAdvances in Mechanical Engineering, 2015
An analytical model on electromechanical coupling coefficient and the length optimization of a bending piezoelectric ultrasonic transducer are proposed. The piezoelectric transducer consists of 8 PZT elements sandwiched between four thin electrodes, and ...
Qiang Zhang, Shengjun Shi, Weishan Chen
doaj   +1 more source

Parameter Identification of the Nonlinear Piezoelectric Shear d15 Coefficient of a Smart Composite Actuator

open access: yesActuators, 2021
The objective of this work is to characterize the nonlinear dependence of the piezoelectric d15 shear coefficient of a composite actuator on the static electric field and include this effect in finite element (FE) simulations.
Pelin Berik, Peter L. Bishay
doaj   +1 more source

Magnetoelectric Effect in Ni-PZT-Ni Cylindrical Layered Composite Synthesized by Electro-deposition [PDF]

open access: yes, 2007
The magnetoelectric (ME) coupling of cylindrical trilayered composite was studied in this paper. The Ni-lead zirconate titanate (PZT)-Ni trilayered cylindrical composite was synthesized by electro-deposition.
ANSI/IEEE Standard on Piezoelectricity   +8 more
core   +1 more source

Optimizing Piezoelectric Nanocomposites by High‐Throughput Phase‐Field Simulation and Machine Learning

open access: yesAdvanced Science, 2022
Piezoelectric nanocomposites with oxide fillers in a polymer matrix combine the merit of high piezoelectric response of the oxides and flexibility as well as biocompatibility of the polymers.
Weixiong Li   +13 more
doaj   +1 more source

Symmetry and piezoelectricity: evaluation of α-quartz coefficients [PDF]

open access: yesEuropean Journal of Physics, 2017
12 pages, 5 figures, 1 ...
openaire   +2 more sources

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